Home / 12,165,885-18,831,204

Finding the Third Proportional to 12,165,885 and 18,831,204

Calculator

Solution

The third proportional to 12,165,885 and 18,831,204 is: 29,148,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165,885 : 18,831,204 = 18,831,204 : x
  2. Step 2: Convert to fraction form
    12,165,885/18,831,204 = 18,831,204/x
  3. Step 3: Cross multiply
    12,165,885x = 18,831,204 × 18,831,204
  4. Step 4: Simplify right side
    12,165,885x = 354,614,244,089,616
  5. Step 5: Solve for x
    x = 354,614,244,089,616/12,165,885
  6. Step 6: Final answer
    x = 29,148,248.90

Related Problems

Find third proportional to 6,082,942.50 and 9,415,602
Half scale
Find third proportional to 24,331,770 and 37,662,408
Double scale
Find third proportional to 12,165,887 and 18,831,207
Similar ratio
Find third proportional to 18,248,827.50 and 28,246,806
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.